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CN222803337U - Solar cover plate and display device - Google Patents

Solar cover plate and display device Download PDF

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Publication number
CN222803337U
CN222803337U CN202421100231.5U CN202421100231U CN222803337U CN 222803337 U CN222803337 U CN 222803337U CN 202421100231 U CN202421100231 U CN 202421100231U CN 222803337 U CN222803337 U CN 222803337U
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layer
transparent
electrode layer
back electrode
metal back
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Chinese (zh)
Inventor
李源
吴德生
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Truly Semiconductors Ltd
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Truly Semiconductors Ltd
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    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10FINORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F19/00Integrated devices, or assemblies of multiple devices, comprising at least one photovoltaic cell covered by group H10F10/00, e.g. photovoltaic modules
    • H10F19/80Encapsulations or containers for integrated devices, or assemblies of multiple devices, having photovoltaic cells
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Photovoltaic Devices (AREA)

Abstract

本实用新型公开了一种太阳能盖板,包括透明盖板、PV图案层和透明介质层,所述PV图案层包括:透明前电极层,设置于所述透明盖板上;PV光伏层,设置于所述透明前电极层上;金属背电极层,设置于所述PV光伏层上;所述透明介质层设置于所述金属背电极层上,所述透明介质层为具备陷光微结构的薄膜,用于降低所述金属背电极层的表面反射率,使得所述太阳能盖板的背电极一侧表面对可见光的反射率低于30%。该太阳能盖板通过在金属背电极层上设置透明介质层,利用所述透明介质层来降低所述金属背电极层的表面反射率,以改善显示屏在搭载太阳能盖板后的色偏问题。本实用新型还公开了一种显示装置,包括上述太阳能盖板。

The utility model discloses a solar cover, including a transparent cover, a PV pattern layer and a transparent medium layer, wherein the PV pattern layer includes: a transparent front electrode layer, which is arranged on the transparent cover; a PV photovoltaic layer, which is arranged on the transparent front electrode layer; a metal back electrode layer, which is arranged on the PV photovoltaic layer; the transparent medium layer is arranged on the metal back electrode layer, and the transparent medium layer is a thin film with a light trapping microstructure, which is used to reduce the surface reflectivity of the metal back electrode layer, so that the reflectivity of the back electrode side surface of the solar cover to visible light is less than 30%. The solar cover is provided with a transparent medium layer on the metal back electrode layer, and the transparent medium layer is used to reduce the surface reflectivity of the metal back electrode layer, so as to improve the color deviation problem of the display screen after the solar cover is installed. The utility model also discloses a display device, including the above-mentioned solar cover.

Description

Solar cover plate and display device
Technical Field
The present disclosure relates to solar cell technologies, and more particularly, to a solar cover plate and a display device.
Background
As consumer dependence on various wearable, portable, and handheld electronic devices increases, battery capacity becomes increasingly more problematic. Technical schemes such as high capacity of batteries of electronic devices are receiving attention from research and development personnel. In order to better realize the technical scheme, the research and development personnel recognize that a power generation device capable of supplying power continuously needs to be mounted on the electronic equipment, and a solar cell for photo-induced power generation is a better choice.
In the past, in order not to affect the display effect of the electronic device, solar cells have been generally manufactured in the peripheral region of the electronic device around the display region of the electronic device, and in order to further improve the power generation efficiency, the solar cells have been manufactured in the display region of the electronic device in a PV grid pattern having a very fine line width. How to reduce the impact of PV grid patterns on display screens has been a problem to be solved in the industry.
In chinese patent number 201380046612.8, an apparatus for improving the quality of an image covered by a translucent photovoltaic film is disclosed, comprising on the one hand an image and on the other hand a photovoltaic panel arranged between the image and the observer, the photovoltaic panel being constituted by a transparent area that emits light and an area covered by a photovoltaic unit, one of the two faces of which faces of the photovoltaic unit turned towards the image being reflective so that a portion of the light emitted by said image is reflected towards the image and the luminosity seen by the observer through the transparent area is increased in order to compensate for the shading effect caused by the photovoltaic unit.
The above patent increases the reflectivity of the PV grid pattern to reflect the light emitted from the display screen back onto the display screen, but the line width design specification of the PV grid pattern (opaque) in the solar cell is generally 5-30 μm, preferably 10-15 μm, and the width of one pixel (including R, G, B three-color sub-pixels) of the LCD or OLED type of color display is about 100-150 μm, wherein the single design width of the R/G/B sub-pixel is generally 30-50 μm, preferably 40-45 μm, and the space between adjacent sub-pixels is generally only 3-5 μm. In this way, as shown in fig. 1, when the PV grid pattern is disposed on the solar cell above the display, if the PV grid pattern is just above a certain sub-pixel, the metal back electrode in the PV grid pattern will reflect the light of the sub-pixel below the PV grid pattern to the adjacent other sub-pixels, so that interference is generated between the light of the sub-pixel and the light of the adjacent other sub-pixels, and color cast problem occurs.
Disclosure of utility model
In order to solve the defects in the prior art, the utility model provides a solar cover plate, which is characterized in that a transparent dielectric layer is arranged on a metal back electrode layer, and the surface reflectivity of the metal back electrode layer is reduced by utilizing the transparent dielectric layer, so that the color cast problem of a display screen after the solar cover plate is mounted is improved.
The utility model also provides a display device comprising the solar cover plate.
The technical problems to be solved by the utility model are realized by the following technical scheme:
A solar cover plate comprising a transparent cover plate, a PV pattern layer, and a transparent dielectric layer, the PV pattern layer comprising:
The transparent front electrode layer is arranged on the transparent cover plate;
the PV photovoltaic layer is arranged on the transparent front electrode layer;
a metal back electrode layer disposed on the PV photovoltaic layer;
The transparent medium layer is arranged on the metal back electrode layer, and is a film with a light trapping microstructure and used for reducing the surface reflectivity of the metal back electrode layer, so that the reflectivity of one side surface of the back electrode of the solar cover plate to visible light is lower than 30%.
Further, the transparent dielectric layer is an amorphous ITO film or a crystalline AZO film with a light trapping microstructure.
Further, when the transparent dielectric layer is made of an amorphous ITO film, the thickness of the amorphous ITO film ranges from 50nm to 300 nm.
Further, when the transparent dielectric layer is manufactured by the crystalline AZO film, the thickness of the crystalline AZO film ranges from 300nm to 1200 nm.
Further, the solar cover plate comprises a display area and a peripheral area, and the PV pattern layer is at least arranged in the display area in a PV grid pattern.
Further, a light trapping microstructure is formed on a surface of the transparent front electrode layer facing the PV photovoltaic layer.
Further, the thickness of the metal back electrode layer is less than 500nm.
Further, the semiconductor device further comprises a first insulating medium layer, wherein the first insulating medium layer is arranged between the metal back electrode layer and the transparent medium layer.
Further, the transparent dielectric layer further comprises a second insulating dielectric layer, and the second insulating dielectric layer is arranged on the transparent dielectric layer.
A display device comprises a display screen and the solar cover plate, wherein the solar cover plate is arranged on the display side of the display screen.
The utility model has the following beneficial effects:
According to the solar cover plate, the transparent medium layer is arranged on the metal back electrode layer of the PV pattern layer, the surface reflectivity of the metal back electrode layer is reduced by the transparent medium layer, when the solar cover plate is carried on the display screen, light rays emitted by the display screen are transmitted to the surface of the transparent medium layer, due to the refractive index difference between the transparent medium layer and the outside (air or OCA glue), part of the light rays can be reflected back to the display screen by the surface of the transparent medium layer without forming a light trapping microstructure, part of the light rays can enter the transparent medium layer, when the light rays entering the transparent medium layer are transmitted to the metal back electrode layer, the light rays can be reflected back to the transparent medium layer again by the metal back electrode layer, and when the light rays reflected by the metal back electrode layer are transmitted to the surface of the transparent medium layer, part of the light rays can be reflected back to the transparent medium layer again by the surface of the transparent medium layer due to the refractive index difference between the transparent medium layer and the outside (air or OCA glue), part of the light rays can leave the surface of the transparent medium layer again, and the light rays can leave the display screen again to influence the purity of adjacent light rays, and the color purity of the pixel is affected. According to the utility model, a micro-etching treatment mode is adopted for carrying out micro-etching on the surface of the transparent medium layer, and a light trapping microstructure in a reverse trapezoid or polygonal pyramid type or a gully type with different depths is formed on the surface of the transparent medium layer, so that light emitted to the surface of the transparent medium layer by the display is repeatedly reflected and/or refracted back into the transparent medium layer after entering the light trapping microstructure for the first time, and is difficult to emit from the transparent medium layer even if being reflected by the metal back electrode layer, the light quantity reflected back to the display screen is greatly reduced, and the color cast problem of the display screen after the solar cover plate is mounted is improved.
Drawings
Fig. 1 is a schematic diagram of the color shift principle of a conventional solar cover plate.
Fig. 2 is a schematic stacking view of a solar cover plate provided by the utility model.
Fig. 3 is a schematic plan view of a solar cover plate provided by the utility model.
Fig. 4 is a schematic stacking view of another solar cover plate provided by the utility model.
Fig. 5 is a schematic stacking view of a solar cover plate according to another embodiment of the present utility model.
Fig. 6 is a schematic stacking view of a solar cover plate according to another embodiment of the present utility model.
Fig. 7 is a schematic stacking view of a solar cover plate according to another embodiment of the present utility model.
Fig. 8 is a schematic stacking view of a further solar cover plate according to the present utility model.
Fig. 9 is a schematic stacking view of a further solar cover plate according to the present utility model.
Fig. 10 is a SEM image of the light trapping microstructure of the amorphous ITO film provided by the present utility model.
Fig. 11 and fig. 12 are SEM pictures of light trapping microstructure of the crystalline AZO film provided by the present utility model.
Detailed Description
The present utility model is described in detail below with reference to the drawings and the embodiments, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", or a third "may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected via an intermediate medium, or in communication between two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Example 1
As shown in fig. 2, a solar cover plate includes a transparent cover plate 100, a PV pattern layer 200, and a transparent dielectric layer 300, the PV pattern layer 200 includes:
a transparent front electrode layer 201 disposed on the transparent cover plate 100;
a PV photovoltaic layer 202 disposed on the transparent front electrode layer 201;
a metal back electrode layer 203 disposed on the PV photovoltaic layer 202;
The transparent dielectric layer 300 is disposed on the metal back electrode layer 203, and the transparent dielectric layer 300 is a film with a light trapping microstructure, and is used for reducing the surface reflectivity of the metal back electrode layer 203, so that the reflectivity of one side surface of the back electrode of the solar cover plate to visible light is lower than 30%.
The solar cover plate of this patent reduces the surface reflectivity of the metal back electrode layer 203 by the transparent medium layer 300 by disposing the transparent medium layer 300 on the metal back electrode layer 203 of the PV pattern layer 200, when the light reflected by the metal back electrode layer 203 propagates onto the surface of the transparent medium layer 300 after being mounted on the display screen, due to the refractive index difference between the transparent medium layer 300 and the outside (air or OCA glue), part of the light will be reflected back into the display screen by the transparent medium layer 300, part of the light will enter into the transparent medium layer 300, when the light entering into the transparent medium layer 300 propagates onto the metal back electrode layer 203, will be reflected back into the transparent medium layer 300 by the metal back electrode layer 203, when the light reflected by the metal back electrode layer 203 propagates onto the surface of the transparent medium layer 300, due to the refractive index difference between the transparent medium layer 300 and the outside (air or OCA glue), part of the light will be reflected back into the metal back electrode layer 300, and the light will be reflected back into the transparent medium layer 300 when part of the light is reflected back into the metal back electrode layer 300, and the light will be reflected back into the transparent medium layer 300 when the light is reflected into the metal back electrode layer 300, and the light reflected by the light will be reflected by the metal back electrode layer 203 is reflected onto the surface of the transparent medium layer 300, affecting the color purity of adjacent sub-pixels. According to the utility model, microetching treatment is performed on the surface of the transparent medium layer 300, and a light trapping microstructure in a reverse trapezoid or polygonal pyramid type or a gully type with different depths is formed on the surface of the transparent medium layer 300, so that light emitted to the surface of the transparent medium layer 300 by a display is repeatedly refracted and/or reflected back into the transparent medium layer 300 after entering the light trapping microstructure for the first time, even if part of light passes through the transparent medium layer 300 to reach the metal back electrode layer 203, the light reflected by the metal back electrode layer 203 is difficult to be emitted from the transparent medium layer 300, the amount of light reflected back to the display screen is greatly reduced, and the color cast problem of the display screen after the solar cover plate is mounted is improved.
The metal back electrode layer 203 may be, but not limited to, a single-layer electrode structure, such as an elemental metal of aluminum, molybdenum, silver, chromium, copper, titanium, or an alloy metal containing the elemental metal, or a multi-layer electrode structure, such as a multi-layer electrode structure composed of an elemental metal of aluminum, molybdenum, silver, chromium, copper, titanium, or an alloy metal containing the elemental metal, such as aluminum-molybdenum, molybdenum-aluminum, or molybdenum-aluminum-molybdenum.
The transparent dielectric layer 300 may be, but not limited to, an amorphous ITO film or a crystalline AZO film with a light trapping microstructure, and the amorphous ITO film or the crystalline AZO film is used as the transparent dielectric layer 300 disposed on the metal back electrode layer 203, which is equivalent to connecting the amorphous ITO film or the crystalline AZO film with the metal back electrode layer 203 in parallel, so that the resistance of the metal back electrode layer 203 and the amorphous ITO film or the crystalline AZO film as a whole can be reduced, and further the charge collection and transmission efficiency of the PV pattern layer 200 can be improved.
If the transparent dielectric layer 300 is an amorphous ITO film or a crystalline AZO film, the transparent dielectric layer 300 may have a pattern with the same shape as the metal back electrode layer 203, but the line width of the transparent dielectric layer 300 may not exceed the line width of the metal back electrode layer 203, so as to prevent the transparent dielectric layer 300 from contacting the transparent front electrode layer 201 from the side surface to cause short between the metal back electrode layer 203 and the transparent front electrode layer 201.
When the transparent dielectric layer 300 is made of different materials, the corresponding thicknesses are different. When an amorphous ITO film is selected as the transparent dielectric layer 300, the film thickness range is set between 50nm and 300nm, and when a crystalline AZO film is selected as the transparent dielectric layer 300, the film thickness range is set between 300nm and 1200 nm. The amorphous ITO film or the crystalline AZO film can be patterned by adopting an organic acid etching solution, and after the PV grid pattern is formed, the amorphous ITO film or the crystalline AZO film is subjected to micro-etching treatment by adopting a low-etching rate process (including but not limited to one or a combination of conditions of low concentration, low etching temperature or short etching time), and finally, the light trapping microstructure of inverted trapezoid, polygonal pyramid type or different-depth gully type is formed on the surface of the amorphous ITO film or the crystalline AZO film. An example of a light trapping microstructure of an amorphous ITO film is shown in FIG. 10, and examples of two light trapping microstructures of a crystalline AZO film are shown in FIGS. 11 and 12, and the light trapping microstructures of two transparent materials include, but are not limited to, the types shown.
As shown in fig. 3, the solar cover plate includes a display area 101 and a peripheral area 102 (the number of which is modified in fig. 3), the PV pattern layer 200 is disposed at least in the display area 101, and the PV pattern layer 200 disposed in the display area 101 adopts a PV grid pattern 210.
The PV grid pattern 210 includes a plurality of first grid lines 211 and a plurality of second grid lines 212, wherein each first grid line 211 extends along a first direction and is parallel to each other along a second direction, each second grid line 212 extends along the second direction and is parallel to each other along the first direction, and each first grid line 211 and each second grid line 212 are interlaced with each other to form a grid shape.
The line width of the PV grid pattern 210 is 5-30 μm, preferably 10-15 μm.
Of course, the PV pattern layer 210 may also be disposed within the peripheral region 102, and the PV pattern layer 210 disposed within the peripheral region 102 has no special requirement on shape.
The transparent front electrode layer 201 may be, but is not limited to, a TCO material such as AZO (aluminum doped zinc oxide).
When the thickness of the metal back electrode layer 203 is less than 500nm and the transparent dielectric layer 300 is made of an amorphous ITO film or a crystalline AZO film having a light trapping microstructure on the surface, the overall reflectivity of the metal back electrode layer 203 and the transparent dielectric layer 300 to the visible light band (360 nm-740 nm) is less than 30%.
The PV photovoltaic layer of the present patent includes, but is not limited to, solar cells fabricated using a single-layer substrate for amorphous silicon thin film solar cells, gallium arsenide solar cells, cadmium sulfide CdS or cadmium telluride based solar cells, CIGS, and the like, and devices of the type that may be OPV (organic solar cells), PSC (perovskite solar cells), and the like fabricated by TFE encapsulation processes.
The surface of the transparent front electrode layer 201 facing the PV photovoltaic layer 202 is formed with a light trapping microstructure, where the light trapping microstructure is a series of pyramid-like optical microstructures distributed on the surface of the transparent front electrode layer 201 facing the PV photovoltaic layer 202, and may be formed by a texturing process, and after entering from the transparent cover plate 100 side, ambient light passes through the transparent cover plate 100 and enters into the transparent front electrode layer 201, and then enters into the PV photovoltaic layer 202.
Example two
As an optimization scheme of the first embodiment, in this embodiment, as shown in fig. 4 and 5, the solar cover plate further includes a first insulating dielectric layer 400, where the first insulating dielectric layer 400 is disposed between the metal back electrode layer 203 and the transparent dielectric layer 300.
In this embodiment, the first insulating medium layer 400 is disposed between the metal back electrode layer 203 and the transparent medium layer 300 to completely separate the metal back electrode layer 203 from the transparent medium layer 300, so that the surface of the metal back electrode layer 203 can be protected to avoid oxidation and corrosion of the metal back electrode layer 203 by moisture, etc., and the low reflectivity of the first insulating medium layer 400 can be used to reduce the amount of light reflected by the metal back electrode layer 203 back into the transparent medium layer 300, so as to further reduce the surface reflectivity of the metal back electrode layer 203.
As shown in fig. 4, the first insulating dielectric layer 400 may be etched to form an insulating pattern having the same shape as the metal back electrode layer 203, so as to ensure high transmittance in the non-power-generating region, but the pattern line width of the insulating pattern must be larger than that of the transparent front electrode layer 201, the PV photovoltaic layer 202 and the metal back electrode layer 203, so that the first insulating dielectric layer 400 completely wraps the sides of the transparent front electrode layer 201, the PV photovoltaic layer 202 and the metal back electrode layer 203, and as shown in fig. 5, the first insulating dielectric layer 400 may also cover the display region of the solar cover plate entirely, so as to avoid other appearance defects (such as appearance defects generated in the exposure process, i.e., MURA, etc.) in the patterning process of the first insulating dielectric layer 400, and effectively improve the chemical resistance and reliability of the transparent front electrode layer 201 and the metal back electrode layer 203.
The first insulating dielectric layer 400 may be an organic insulating material such as acrylic resin, polyimide, benzocyclobutene resin, polyamide resin, epoxy resin, etc., or the first insulating dielectric layer 400 may be an inorganic insulating material such as silicon dioxide, silicon nitride, silicon oxynitride, etc.
Example III
As an optimization scheme of the first embodiment, in this embodiment, as shown in fig. 6 and 7, the solar cover plate further includes a second insulating dielectric layer 500, where the second insulating dielectric layer 500 is disposed on the transparent dielectric layer 300.
In this embodiment, the second insulating dielectric layer 500 is disposed on the transparent dielectric layer 300 to completely separate the transparent dielectric layer 300 from the outside, so that the surface of the transparent dielectric layer 300 can be protected to avoid the influence of external electrical elements on the transparent dielectric layer 300 due to the amorphous ITO film or the crystalline AZO film with a light trapping microstructure, and the surface reflectivity of the transparent dielectric layer 300 can be reduced by using the low reflectivity of the second insulating dielectric layer 500 to further reduce the surface reflectivity of the metal back electrode layer 203.
As shown in fig. 6, the second insulating medium layer 500 may be etched to form an insulating pattern having the same shape as the metal back electrode layer 203, so as to ensure high transmittance in a non-power-generating region, and the pattern linewidth is slightly larger than the pattern linewidths of the transparent front electrode layer 201, the PV photovoltaic layer 202 and the metal back electrode layer 203, so as to cover the side surfaces of the transparent front electrode layer 201, the PV photovoltaic layer 202 and the metal back electrode layer 203, and as shown in fig. 7, the second insulating medium layer 500 may also cover the display region of the solar cover plate entirely, so as to avoid other appearance defects (such as appearance defects generated in the exposure process, i.e., MURA, etc.) in the patterning process of the second insulating medium layer 500, and effectively improve the chemical resistance and reliability of the transparent front electrode layer 201 and the metal back electrode layer 203.
The second insulating dielectric layer 500 may be an organic insulating material such as acrylic resin, polyimide, benzocyclobutene resin, polyamide resin, epoxy resin, etc., or the second insulating dielectric layer 500 may be an inorganic insulating material such as silicon dioxide, silicon nitride, silicon oxynitride, etc.
Example IV
As an optimization scheme of the first embodiment, in this embodiment, as shown in fig. 8 and 9, the solar cover plate further includes a first insulating dielectric layer 400 and a second insulating dielectric layer 500, where the first insulating dielectric layer 400 is disposed between the metal back electrode layer 203 and the transparent dielectric layer 300, and the second insulating dielectric layer 500 is disposed on the transparent dielectric layer 300.
The specific structure, material and technical effects of the first insulating dielectric layer 400 and the second insulating dielectric layer 500 in this embodiment can be referred to in the second embodiment and the third embodiment.
Example five
The display device comprises a display screen and the solar cover plate, wherein the solar cover plate is arranged on the display side of the display screen, the solar cover plate is fully attached to the display screen through OCA glue, or the periphery of the solar cover plate is partially attached to the display screen through frame glue (an air gap is reserved between the solar cover plate and the display screen).
The display screen can be an LCD screen or an OLED screen, is not limited to a transmission type display, a semi-transmission type display, a total reflection type display and the like, and can be fully bonded by using glue or a glue film covered on the whole surface, or can be bonded by using a frame by using glue or a glue film in a shape of a Chinese character 'Hui', so that the display area of the display screen coincides with the display area of the solar cover plate after bonding, as long as the display screen is a device which displays a color picture in a color mixing mode through sub-pixels with different colors (including but not limited to realizing colorization by using a three-primary color or complementary color principle thereof).
Finally, it should be noted that the foregoing embodiments are merely for illustrating the technical solution of the embodiments of the present utility model and are not intended to limit the embodiments of the present utility model, and although the embodiments of the present utility model have been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the embodiments of the present utility model may be modified or replaced with the same, and the modified or replaced technical solution may not deviate from the scope of the technical solution of the embodiments of the present utility model.

Claims (10)

1.一种太阳能盖板,包括透明盖板、PV图案层和透明介质层,所述PV图案层包括:1. A solar cover plate, comprising a transparent cover plate, a PV pattern layer and a transparent medium layer, wherein the PV pattern layer comprises: 透明前电极层,设置于所述透明盖板上;A transparent front electrode layer is disposed on the transparent cover plate; PV光伏层,设置于所述透明前电极层上;A PV photovoltaic layer, disposed on the transparent front electrode layer; 金属背电极层,设置于所述PV光伏层上;A metal back electrode layer, disposed on the PV photovoltaic layer; 所述透明介质层设置于所述金属背电极层上,其特征在于,所述透明介质层为具备陷光微结构的薄膜,用于降低所述金属背电极层的表面反射率,使得所述太阳能盖板的背电极一侧表面对可见光的反射率低于30%。The transparent medium layer is arranged on the metal back electrode layer, and is characterized in that the transparent medium layer is a thin film with a light-trapping microstructure, which is used to reduce the surface reflectivity of the metal back electrode layer, so that the reflectivity of the surface of the back electrode side of the solar cover to visible light is less than 30%. 2.根据权利要求1所述的太阳能盖板,其特征在于,所述透明介质层为具备陷光微结构的非晶态ITO膜或结晶态AZO膜。2 . The solar cover according to claim 1 , wherein the transparent medium layer is an amorphous ITO film or a crystalline AZO film having a light trapping microstructure. 3.根据权利要求2所述的太阳能盖板,其特征在于,以非晶态ITO膜制作所述透明介质层时,所述非晶态ITO膜的厚度范围在50nm-300nm之间。3 . The solar cover plate according to claim 2 , wherein when the transparent medium layer is made of an amorphous ITO film, the thickness of the amorphous ITO film ranges from 50 nm to 300 nm. 4.根据权利要求2所述的太阳能盖板,其特征在于,以结晶态AZO膜制作所述透明介质层时,所述结晶态AZO膜的厚度范围在300nm-1200nm之间。4 . The solar cover plate according to claim 2 , wherein when the transparent medium layer is made of a crystalline AZO film, the thickness of the crystalline AZO film is in the range of 300 nm to 1200 nm. 5.根据权利要求1所述的太阳能盖板,其特征在于,所述太阳能盖板包括显示区域和外围区域,所述PV图案层至少以PV栅格图案布设在所述显示区域内。5 . The solar cover according to claim 1 , wherein the solar cover comprises a display area and a peripheral area, and the PV pattern layer is arranged at least in the display area in a PV grid pattern. 6.根据权利要求1所述的太阳能盖板,其特征在于,所述透明前电极层朝向所述PV光伏层的表面上形成有陷光微结构。6 . The solar cover sheet according to claim 1 , wherein a light trapping microstructure is formed on a surface of the transparent front electrode layer facing the PV photovoltaic layer. 7.根据权利要求1所述的太阳能盖板,其特征在于,所述金属背电极层的厚度小于500nm。7 . The solar cover sheet according to claim 1 , wherein the thickness of the metal back electrode layer is less than 500 nm. 8.根据权利要求1所述的太阳能盖板,其特征在于,还包括第一绝缘介质层,所述第一绝缘介质层设置于所述金属背电极层与所述透明介质层之间。8 . The solar cover according to claim 1 , further comprising a first insulating medium layer, wherein the first insulating medium layer is disposed between the metal back electrode layer and the transparent medium layer. 9.根据权利要求1所述的太阳能盖板,其特征在于,还包括第二绝缘介质层,所述第二绝缘介质层设置于所述透明介质层上。9 . The solar cover according to claim 1 , further comprising a second insulating medium layer, wherein the second insulating medium layer is disposed on the transparent medium layer. 10.一种显示装置,其特征在于,包括显示屏以及权利要求1-9中任一所述的太阳能盖板,所述太阳能盖板设置于所述显示屏的显示侧。10. A display device, comprising a display screen and the solar cover plate according to any one of claims 1 to 9, wherein the solar cover plate is arranged on a display side of the display screen.
CN202421100231.5U 2023-06-07 2024-05-20 Solar cover plate and display device Active CN222803337U (en)

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